<template>
<div>
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>用户管理</el-breadcrumb-item>
    <el-breadcrumb-item>用户列表</el-breadcrumb-item>
</el-breadcrumb>
<!-- 卡片区域 -->
<el-card>
    <!-- 搜索与添加区域 -->
    <el-row :gutter="20">
    <el-col :span="7">
        <el-input placeholder="请输入内容" class="input-with-select" v-model="queryInfo.query" clearable @clear="getUserList">
         <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
        </el-input>
    </el-col>
    <el-col :span="4">
        <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
    </el-col>
    </el-row>
    <!-- 用户列表区域 -->
    <el-table :data="userList">
        <el-table-column type="index" label="序号"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
            <template v-slot="scope">
              
                <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                </el-switch>
            </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
            <template v-slot="scope">
               
                <el-button type="primary" icon="el-icon-edit" @click="showEditDialog(scope.row.id)" size="mini"></el-button>
                <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
                <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                    <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
                </el-tooltip>
             

            </template>
        </el-table-column>

    </el-table>
    <!-- 分页区域 -->
     <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[1,2,5,10]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total">
    </el-pagination>
</el-card>
<!-- 这是添加用户的对话框 -->
<el-dialog
  title="添加用户"
  :visible.sync="addDialogVisible"
  width="50%"
  @close="addDialogClosed"
  >
  <!-- 内容主体区 -->
  <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="90px" class="demo-ruleForm">
  <el-form-item label="用户名称" prop="username">
    <el-input v-model="addForm.username"></el-input>
  </el-form-item>
  <el-form-item label="密码" prop="password">
    <el-input v-model="addForm.password"></el-input>
  </el-form-item>
  <el-form-item label="邮箱" prop="email">
    <el-input v-model="addForm.email"></el-input>
  </el-form-item>
  <el-form-item label="手机" prop="mobile">
    <el-input v-model="addForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <!-- 底部区 -->
  <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>
</el-dialog>
<!-- 这是修改用户的对话框 -->
<el-dialog
  title="修改用户信息"
  :visible.sync="editDialogVisible"
  width="50%"
  @close="editDialogClosed">
  <el-form ref="editFormRef" :model="editForm" :rules="editFormRules" label-width="80px">
  <el-form-item label="用户名">
    <el-input v-model="editForm.username" disabled></el-input>
  </el-form-item>
   <el-form-item label="邮箱" prop="email">
    <el-input v-model="editForm.email"></el-input>
  </el-form-item>
   <el-form-item label="手机" prop="mobile">
    <el-input v-model="editForm.mobile"></el-input>
  </el-form-item>
  </el-form>
  <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
  </span>
</el-dialog>
<!-- 这是分配角色对话框 -->
<el-dialog
  title="分配角色"
  :visible.sync="setRoleDialogVisible"
  width="50%"
@close="setRoleDialogClosed">
    <div>
      <p>当前的用户：{{userinfo.username}}</p>
      <p>当前的角色：{{userinfo.role_name}}</p>
      <p>分配的新角色
            <el-select v-model="selectedRoleId" placeholder="请选择">
    <el-option
      v-for="item in rolesList"
      :key="item.id"
      :label="item.roleName"
      :value="item.id">
    </el-option>
  </el-select>
      </p>
    </div>
  <span slot="footer" class="dialog-footer">
    <el-button @click="setRoleDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
  </span>
</el-dialog>
</div>
</template>
<script>
export default {
    data(){
        //验证邮箱的规则
        var checkEmail = (rule,value,cb)=>{
            //验证邮箱的正则表达式
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if(regEmail.test(value)){
                //合法的邮箱
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))

        }
        //验证手机号的规则
         var checkMobile = (rule,value,cb)=>{
            //验证手机号的正则表达式
            const regMoblie = /^(0|86|179541)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
            if(regMoblie.test(value)){
                //合法的手机号
                return cb()
            }
            cb(new Error('请输入合法的手机号'))

        }
        return {
            //获取用户列表的参数对象
            queryInfo:{
                query:'',
                //当前的页数
                pagenum:1,
                //当前每页显示多少条数据
                pagesize:2
            },
            userList:[],
            total:0,
            //显示添加用户对话框
            addDialogVisible:false,
            //显示编辑用户对话框
            editDialogVisible:false,
            //查询用户信息数据
            editForm:{},
            //修改表单的验证规则对象
            setRoleDialogVisible:false,
            //需要被分配角色的用户信息
            userinfo:{},
            //所有角色的数据列表
            rolesList:{},
            //已选中的角色ID值
            selectedRoleId:'',
          
            editFormRules:{
                email:[
                    {required:true,message:'请输入用户邮箱',trigger:'blur'},
                    {validator: checkEmail,trigger:'blur'}
                ],
                mobile:[
                    {required:true,message:'请输入用户手机',trigger:'blur'},
                    {validator:checkMobile,trigger:'blur'}
                ]
            },
            //添加用户的表单数据
            addForm:{
                username:'',
                password:'',
                email:'',
                mobile:''
            },
            //添加用户的表单验证
            addFormRules:{
                username:[
                    {required:true,message:'请输入用户名',trigger:'blur'},
                    {min:3,max:10,message:'用户名的长度在3·10个字符之间',trigger:'blur'}
                ],
                password:[
                    {required:true,message:'请输入密码',trigger:'blur'},
                    {min:6,max:15,message:'密码的长度在6·15个字符之间',trigger:'blur'}
                ],
                email:[
                    {required:true,message:'请输入邮箱',trigger:'blur'},
                    {validator:checkEmail,trigger:'blur'}
                ],
                mobile:[
                    {required:true,message:'请输入手机号码',trigger:'blur'},
                    {validator:checkMobile,trigger:'blur'}
                ]
            }
        }
    },
    created(){
        this.getUserList()
    },
    methods:{
        async getUserList(){
            const {data: res} = await this.$http.get('users',{ params:this.queryInfo})
            if(res.meta.status !==200){
                return this.$message.error("获取用户列表失败！")
            }
            this.userList=res.data.users
            this.total=res.data.total
            console.log(res);
        },
        //监听pagesize改变的事件
        handleSizeChange(newsize){
            this.queryInfo.pagesize=newsize;
            this.getUserList();
          
        },
        // 监听 页码值 改变的事件
        handleCurrentChange(newpage){
            this.queryInfo.pagenum=newpage
            this.getUserList();
        },
        //改变用户状态
        async userStateChanged(userinfo){
            console.log(userinfo);
            const {data: res}=await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            if(res.meta.status!==200){
                userinfo.mg_state=!userinfo.mg_state
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功')
        },
        //监听添加用户对话框的关闭事件
        addDialogClosed(){
            this.$refs.addFormRef.resetFields()
        },
        //添加用户的操作
        addUser(){
            this.$refs.addFormRef.validate(async valid=>
            {
                if(!valid) return
                //可以发起添加用户的网络请求
                const {data: res}=await this.$http.post('users',this.addForm)
                console.log(res);
                if(res.meta.status!==201){
                    this.$message.error('添加用户失败！')
                }
                this.$message.success('添加用户成功！')
                //隐藏添加用户的对话框
                this.addDialogVisible=false
                //重新获取用户列表数据
                this.getUserList()

            })
        },
        async showEditDialog(id){
            const {data:res}=await this.$http.get('users/'+id)
            if(res.meta.status!==200){
                return this.$message.error('查询用户信息失败')
            }
            this.editForm = res.data
            this.editDialogVisible=true
        },
        //监听用户修改信息重置
        editDialogClosed(){
            this.$refs.editFormRef.resetFields()
        },
        //修改用户信息并提交
        editUserInfo(){
            this.$refs.editFormRef.validate(async valid =>{
                if(!valid) return
                //发起修改用户信息的数据请求
                const {data: res } = await this.$http.put('users/'+this.editForm.id,{email: this.editForm.email,mobile: this.editForm.mobile})
                if(res.meta.status !==200){
                    return this.$message.error("更新用户信息失败")
                }
                //关闭对话框
                this.editDialogVisible =false
                //刷新数据列表
                this.getUserList()
                //提示修改成功
                this.$message.success('更新用户信息成功')
           
           
           })
           //根据Id删除对应的用户信息
         
        },
        async  removeUserById(id){
                              //弹框询问用户是否删除数据
            const confirmResult = await  this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                 confirmButtonText: '确定',
                 cancelButtonText: '取消',
                 type: 'warning'
                }).catch(err => err)
                  //如果用户确认删除，则返回值为字符串 confirm
                   //如果用户确认删除，则返回值为字符串 cancel
                   if(confirmResult !=='confirm'){
                       return this.$message.info('已取消删除')
                   }
                   const {data: res}  = await this.$http.delete('users/'+id)
                   if(res.meta.status!==200){
                       return this.$message.error('删除用户失败！')
                   }
                   this.$message.success('删除用户成功')
                   this.getUserList()
           },
           async setRole(userinfo){
               this.userinfo=userinfo
               //在展示对话框之前，获取所有角色的列表、
               const {data:res} = await this.$http.get('roles')
               if(res.meta.status!==200){
                   return this.$message.error('获取角色列表失败')
               }
               this.rolesList=res.data
               this.setRoleDialogVisible=true
           },
           async saveRoleInfo(){
               if(!this.selectedRoleId){
                   return this.$message.error('请选择要分配的角色！')
               }
               const {data:res} = await this.$http.put(`users//${this.userinfo.id}/role`,{rid:this.selectedRoleId})
               if(res.meta.status!==200){
                   return this.$message.error('更新角色失败！')
               }
               this.$message.success('更新角色成功')
               this.getUserList()
               this.setRoleDialogVisible=false
           },
           setRoleDialogClosed(){
               this.selectedRoleId='',
               this.userinfo={}
           }
         
        
    }
}
</script>

<style lang="less" scoped>
  .text {
    font-size: 14px;
  }

  .item {
    padding: 18px 0;
  }

  .box-card {
    width: 480px;
  }
  .el-button {
      margin-bottom: 30px;
  }
  .el-pagination {
      margin-top: 15px;
  }
//   ceshi: 1px;
//测试

</style>